Tips.
-You can upgrade at any time in game by pressing P or Esc to pause the game.
-Shields are most important and should be purchased first.
-Holding shift will not only slow you down for better control, but it will also extend, and speed up your options that spin around you.
-Trinity Attacks will increase your chain multiplier which gives you more points for upgrades

All the rest of the info is in game

-Edmund & Tommy

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Grey Matter can be played with the Xbox 360 controller using FlashJoystick.
To install FlashJoystick visithttp://flashjoystick.pill owfortgames.com/
To install mapping for this game you'll need this file.http://www.tommunism.com/
greymatter/greymatter.fst ick
once FlashJoystick is installed, if you just hit open instead of save for the .fstick file, it'll auto load into FlashJoystick and you'll be able to play.